HT48CA3 Holtek Semiconductor Inc, HT48CA3 Datasheet - Page 15

• Manufacturer Part Number: HT48CA3
• Description: 8-Bit Remote Type MCU
• Manufacturer: Holtek Semiconductor Inc

Options
The following table shows all kinds of mask option in the MCU. All of the mask options must be defined to ensure proper
system functioning.
Rev. 1.40
PA0~PA7 wake-up enable or disable
PC pull-high enable or disable
PA pull-high enable or disable: Byte option
PF pull-high enable or disable
PB pull-high (PB0~PB3, PB4~PB7) enable or disable: Nibble option
PB0 or PFD
CLR WDT instructions
System oscillators: RC or crystal
WDT enable or disable
WDT clock source: WDTOSC or system clock/4 (T1D)
Input/output ports
Function
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HT48CA3
July 16, 2003